Senior Windows Linux Systems Engineer jobs

Remote or Arlington, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

Cyber Eviction Analyst - Principal

Remote or Arlington, Virginia

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Today

Full-time

Systems Integration Engineer (Experienced or Lead)

Saint Charles, Missouri

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Today

Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth.

Full-time

USD 112,200.00 - 151,800.00 per year

Systems Integration Engineer (Experienced or Lead)

Berkeley, Missouri

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Today

Full-time

USD 112,200.00 - 151,800.00 per year

Systems Integration Engineer (Experienced or Lead)

Hazelwood, Missouri

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Today

Full-time

USD 112,200.00 - 151,800.00 per year

IT Security Technical Lead

Round Rock, Texas

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Today

Job Description IT Security Technical Lead - Vulnerability Management responsible for developing, leading, and continuously improving the enterprise-wide Vulnerability Management and Security Assessment programThis role ensures that vulnerability management across systems, applications, and clouds are identified, assessed, prioritized, and remediated alignment with business risk and compliance objectives.The successful candidate will combine technical expertise, strategic oversight, and leaders

Full-time

Classified Cyber Security Team Lead

Kirtland Air Force Base, New Mexico

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Today

Job Description Lockheed Martin's Rotary & Mission Systems (RMS) division is seeking an experienced Information System Security Officer (ISSO) to protect mission critical information systems. This role ensures confidentiality, integrity, and availability in line with DoD, NIST, and Lockheed Martin security policies, while providing day to day oversight across the system lifecycle. The ISSO is responsible for the oversight of the information system's security posture. Emphasis is placed on the

Full-time

USD 113,900.00 - 200,905.00 per year

High Performance Computing System Administrator, Sr Analyst, Onsite Tucson AZ

Tucson, Arizona

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21d ago

Date Posted: 2026-02-25 Country: United States of America Location: US-AZ-TUCSON-M05 ~ 1151 E Hermans Rd ~ BLDG M05 (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 System Administrator, High Performance Computing (

Full-time

USD 68,900.00 per year

Senior System Administrator

Remote

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3d ago

The Systems Administrator will be responsible for administration and operational support of primarily Microsoft Azure-hosted Windows and Linux server environments used globally by our client. This role focuses on reliable day-to-day operations (provisioning, patching, monitoring, backup/restore, security remediation, and incident response) and will also contribute to smaller initiatives and lifecycle improvements in partnership with other infrastructure and security teams. Key Responsibilities A

Easy Apply

Contract

$50 - $60

Sr Site Reliability Engineer/ Sr Software Engineer

Yarmouth, Maine

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Today

Overview We are seeking a full-time Senior Site Reliability Engineer/ Senior Software Engineer in our Yarmouth, Maine location. In this role, you will be responsible for assisting with improvements to platform and application security, provisioning cloud infrastructure, and setting up CI/CD pipelines. This role is open to current residents of Maine and New Hampshire only. We will assist with relocation to the Yarmouth, ME area only from those states. Essential Functions Serves in a leadership c

Full-time

Lead Software Engineering

Mason, Ohio

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

Staff Engineer II, Cyber - Threat and Vulnerability Management

Phoenix, Arizona

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Today

Job Title: Staff Engineer II, Cyber - Threat and Vulnerability Management Location: CityScape What you'll do: Western Alliance Bank is seeking a passionate, experienced, and results-driven Cyber Engineer to help engineer, operationalize, and continuously mature a scalable, risk-based Threat & Vulnerability Management (TVM) program across hybrid environments, including on-premises infrastructure, cloud platforms, containerized workloads, and CI/CD pipelines. This role will collaborate with inte

Full-time

Senior Technology Risk Analyst: Program Manager, Risk & Controls

O'Fallon, Missouri

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19d ago

{"description": " Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize

Full-time

USD 88,000.00 - 141,000.00 per year

Senior Database Administrator

Berkeley Heights, New Jersey

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Today

Location: Berkeley Heights, NJ Salary: $73.00 USD Hourly - $74.00 USD Hourly Description: Senior Database Administrator Location: Berkeley Heights, NJ - 5 Days Onsite Duration: 9+ Months Contract to Hire Job Description Job Responsibilities The Senior Database Administrator designs, installs, maintains and upgrades the enterprise's production databases. Provides technical expertise in the use of database technology. Accountable for the overall performance of the enterprise's database environ

Contract

USD 73.00 - 74.00 per hour

Senior Penetration Tester

Norfolk, Virginia

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Today

Job#: 3031909 Job Description: Senior Penetration Tester Overview An experienced Senior Penetration Tester is sought to support operational cyber test and evaluation activities. This role is responsible for developing and executing cyber test plans, conducting advanced penetration testing and red team operations, and documenting results across operational, laboratory, and cyber range environments. Testing may involve physical, virtualized, and cloud-based systems. The position requires independ

Easy Apply

Full-time

ESD Technician III (Senior)

No location provided

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Today

GovCIO is seeking a motivated, career and customer-oriented ESD Technician (Senior) to join our team in Doral, FL. Responsibilities Responsibilities include but are not limited to: Provide expert-level and strategic technical support to end users, resolving highly complex hardware, software, and network issues that often require in-depth analysis and specialized knowledge Serve as a primary escalation point for mid and Junior Technicians, providing advanced mentorship, technical guidance, and

Full-time

USD 75,000.00 - 86,000.00 per year

#Embedded NPU Software Engineer, Senior

San Diego, California

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Today

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: ** This position is not eligible for Qualcomm immigration sponsorship. ** As a leading technology innovator, Qualcomm pushes the boundaries of what's possible to enable next-generation experiences and drive digital transformation across industries. As a Qualcomm Software Engineer, you will design, develop, create, modify, and validate embedded and cloud-edge software, ap

Full-time

USD 111,300.00 - 166,900.00 per year

Senior Security Architect (Northern Virginia) - Mid-Atlantic region

Remote or Reston, Virginia

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8d ago

{"description": "GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk. NOTE : Only candidates living

Full-time

Lead Engineer, Software Engineering (Mobile Development)

Portland, Oregon

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Today

What you'll need to succeed as Lead Engineer, Software Engineering (Mobile Development) at XPO Minimum qualifications: Bachelor's degree or equivalent work or military experience4 years of experience in software development, including creating business applications with relational and non-relational database systems, within a fast-paced software development environment4 years of mobile application development. Android requiredDemonstrated experience in a technical lead role.Advanced knowledge o

Full-time

USD 15.00 per hour

Product Security Engineer, Staff

San Diego, California

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Today

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Security Engineering General Summary: Job function includes participation in product security incident response, security research on Qualcomm products in detecting and mitigating security vulnerabilities, customer communications on product security related issues. Specific responsibilities may include binary analysis to identify vulnerabilities being used in active exploits; review of resolutions as part of

Full-time

USD 149,600.00 - 224,400.00 per year

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Senior Windows Linux Systems Engineer jobs